Problem Display
PID: 256049 (8/7b/1pNKp3/5ppq/1p6/1pk2p1r/nN5p/1Q6 w - - 0 1)

Golubik, V

3rd Prize, 64 Shakhmatnoe obozrenie, 1973

8/7b/1pNKp3/5ppq/1p6/1pk2p1r/nN5p/1Q6

#4

4 + 13


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qd3+
          • 2...Kxb2
            • 3.Qxb3+
              • 3...Ka1
                • 4.Sc2#
              • 3...Kc1
                • 4.Qc2#
      • 1...Kd2
        • 2.Sc4+
          • 2...Kc3
            • 3.Sb5+
              • 3...Kxc4
                • 4.Qf1#
      • 1...Sc1
        • 2.Qxc1+
          • 2...Kxd4
            • 3.Qe1
              • threat
                • 4.Qe5#
              • 3...e5
                • 4.Qxe5#
      • 1...f2
        • 2.Sb5+
          • 2...Kd2
            • 3.Sc4+
              • 3...Ke2
                • 4.Sd4#
      • 1...f4
        • 2.Sb5+
          • 2...Kd2
            • 3.Qd1+
              • 3...Ke3
                • 4.Qe1#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).